PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58058Key,socket Head Screw

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-335-2104 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-2104 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-2104. Primary manufacturer part number: 58058.
Features
  • Key,socket Head Screw — FSC 5120
  • Style Designator: L-HANDLE
  • Material: STEEL OVERALL
  • Features Provided: LONG SERIES
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Wrenching Surface Size: 4.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Short Arm Length: 0.953 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-335-2104, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-335-2104
Primary Part Number58058
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Features ProvidedLONG SERIES
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Wrenching Surface Size4.0 MILLIMETERS NOMINAL BOTH ENDS MM
Short Arm Length0.953 INCHES NOMINAL IN
Long Arm Length4.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-01-122-0824N58085 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
6530-01-217-76252134 INTERCHANGEABLE
Indicator,sterilization
Pymah Corp
Cross-Reference Index
Part NumberManufacturer
58058 Apex Tool Group, Llc Dba Nicholson (USA)
58058 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
5360-01-122-0824INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N58085
6530-01-217-7625INTERCHANGEABLE
INDICATOR,STERILIZATION
2134

Frequently Asked Questions

What is NSN 5120-01-335-2104?

NSN 5120-01-335-2104 is a Key,socket Head Screw, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-335-2104?

NSN 5120-01-335-2104 has 2 cross-referenced part numbers: 58058 (Apex Tool Group, Llc Dba Nicholson), 58058 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.).

What NSN replaces 5120-01-335-2104?

There are 2 known substitutes for 5120-01-335-2104: 5360-01-122-0824, 6530-01-217-7625. Verify interchangeability with system specifications before substitution.

What are the specifications of 58058?

Key specifications for 58058: Style Designator: L-HANDLE; Material: STEEL OVERALL; Features Provided: LONG SERIES; Surface Treatment: OXIDE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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